#include <stdio.h>

// https://blog.csdn.net/muxuen/article/details/122744394?spm=1001.2014.3001.5502

float Add(float x, float y)
{
    float z;
    z = x + y;
    return z;
}

int main()
{
    float a = 0.1;
    float b = 0.2;

    float c = Add(a, b);
    printf("%f\n", c);

    return 0;
}